38401375647667 has 2 divisors, whose sum is σ = 38401375647668. Its totient is φ = 38401375647666.

The previous prime is 38401375647629. The next prime is 38401375647673. The reversal of 38401375647667 is 76674657310483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38401375647667 - 2³¹ = 38399228164019 is a prime.

It is not a weakly prime, because it can be changed into another prime (38401375642667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200687823833 + 19200687823834.

It is an arithmetic number, because the mean of its divisors is an integer number (19200687823834).

Almost surely, 2^{38401375647667} is an apocalyptic number.

38401375647667 is a deficient number, since it is larger than the sum of its proper divisors (1).

38401375647667 is an equidigital number, since it uses as much as digits as its factorization.

38401375647667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 426746880, while the sum is 67.

The spelling of 38401375647667 in words is "thirty-eight trillion, four hundred one billion, three hundred seventy-five million, six hundred forty-seven thousand, six hundred sixty-seven".